Here is the new heavy duty overdrive 24/8T helical bevel gear & diff locker set.
Designed for the AR44/AR45 Axle Housing, Boom Racing PHAT Axle Housing or the BRX70 and BRX90 PHAT Axles.

Use this gear to improve the performance of your crawler. Run them in the front axle for a faster wheel speed in the front tires. Overdrive gears help to steer in sharp turns like how a dig does and climbing by pulling forward the rear end.

Features:
Overdrive gears create faster wheel speed to help steering and climbing
Hardened steel gears for maximum strength and durability
Keyed spool to increase structural strength and to eliminate the weakness of the M2.5 screws
Tight tolerance of the diff locker and the axle shaft
Tight tolerance of the bevel gear and input shaft to increase efficiency in the drivetrain

Fits:
Axial AR44/AR45 Stock Axle
Boom Racing BRX70 PHAT Axle
Boom Racing BRX90 PHAT Axle
Boom Racing PHAT AR44 Axle (BR955015)

Includes:
1x Keyed Heavy Duty Bevel Gear 27T
1x Heavy Duty Input Shaft 8T
1x Keyed Differential Locker (Spool)
3x M2.5 hardware
4x 1mm washer

Replaces the following stock Axial parts:
AX-31404- AR44 Differential Locker
AX-31405 - Heavy Duty Bevel Gear Set 30T/8T